package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCarMapper {


    //添加购物车
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    public void addShoppngCar(ShoppingCart shoppingCart);
    //查询购物车
    public List<ShoppingCart> getShoppingCar(ShoppingCart shoppingCart);

    //更新购物车菜品数量
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart cart);
    //清空购物车
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void cleanShoppingCar(Long userId);
    //根据购物车id删除该数据
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);
    //根据用户id删除购物车中数据
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);
    //批量插入购物车
    void insertBatch(List<ShoppingCart> shoppingCars);
}
